((1935))
wood-engraving
(1924)
etching
(c.1950)
linocut
(1929)
((1927))
engraving
((1938))
(1932)
(1934)
line-engraving
(1931)
offset-lithograph
(1976)
(c.1982)
(c.1935)
(c.1984)